| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 85 | 
                                                                 
                                    
                                    40.1%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 125 | 
                                                                 
                                    
                                    59%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             |